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[科技] Massive smart device botnet highlights the dangers of default passwords

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Re_Star·彅 发表于 2016-10-5 03:59:24
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Massive smart device botnet highlights the dangers of default passwords-1 (botnet,botnet,ddos,52botnet,botnet俄罗斯)

A botnet responsible for a massive DDOS (distributed denial-of-service) attack was created thanks to weak default usernames and passwords found in internet-connected cameras and DVRs.
  The Mirai botnet grabbed headlines last month for taking down the website of cybersecurity reporter Brian Krebs with a huge DDOS attack . Unlike most botnets, which rely on infected PCs, this one used IoT devices to target its victims.
  It turns out the botnet was specifically designed to scan the internet for poorly secured products like cameras and then access them through easily guessable passwords like “admin” or “12345.” Last Friday, the botnet’s maker released its source code, and security experts have noticed it’s built to try a list of more than 60 combinations of user names and passwords.
  Those combinations were enough to allow the botnet to spread to 380,000 devices, according to its maker, who posted the source code on HackForums.
Security experts are warning that more botnets like Mirai will appear unless the hardware industry can move away from default passwords.
“There has to be some kind of mandate to make these devices more secure or require a password change once installed”, said Tim Matthews, a vice president at security firm Imperva.
  Researchers have long beenpointing outthe problems with internet-connected appliances and how they’re often built without security in mind. The Mirai botnet further highlights the problem, according to Matthews.
His company has been noticing an uptick in DDOS attacks coming from botnets that are powered by smart devices. These botnets work by infecting the products with malware and enslaving them under the hacker’s control.
“We’ve seen this trend building since mid last year,” he said. A prime example of devices that are susceptible to infection is internet-connected security cameras, which are often installed by resellers but never updated.
“One mistake that the manufacturers make is that they allow remote access to these devices,” he said. “In some cases, a single camera will have 15 different infections.”
As for the Mirai botnet, it appears to have been relying on cameras from a Chinese company called Dahua and from DVRs from an unknown vendor, according to internet backbone provider Level 3 Communications, which has been monitoring the DDOS attacks.
Dahua didn’t immediately respond to a request for comment.
  Krebs has posted a list of products possibly susceptible to the Mirai botnet, and it’s quite long. He created the list by looking up the default usernames and passwords on Google and then matching them to products.
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jiejiu 发表于 2016-10-5 04:05:32
占坑编辑ing
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chunglyc 发表于 2016-10-5 04:05:41
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╯僅留旳殘溫 发表于 2016-10-5 04:07:04
生命中的第一个沙发,激动嘞!
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撒哈拉的故事 发表于 2016-10-5 04:18:24
纯粹路过,没任何兴趣,仅仅是看在老用户份上回复一下
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夜袂 发表于 2016-10-5 04:18:32
生活可以将就,生活也可以讲究!
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jjjjjjyuuty 发表于 2016-10-5 04:18:36
有空一起交流一下
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wonkuo 发表于 2016-10-5 04:33:24
明明白白我的心,楼主赏我个沙发!
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_娇纵? 发表于 2016-10-5 04:42:00
看贴回贴,繁荣网络、利人利己
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天下无敌手 发表于 2016-10-7 01:39:14
不回帖,臣妾做不到啊!
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